File:I-80 Eastshore Fwy.jpg|thumb|350px|Interstate 80, seen here in Berkeley, California, is a freeway with many lanes and heavy traffic.
'''Traffic''' on roads
may consist of pedestrian
s, ridden or herded animal
es and other Public conveyance|conveyance
s, either singly or together, while using the public way for purposes of travel. '''Traffic code|Traffic laws
''' are the law
s which govern traffic and regulate vehicles, while '''rules of the road''' are both the laws and the Norm (sociology)|informal rules
that may have developed over time to facilitate the orderly and timely flow of traffic.
Organized traffic generally has well-established priorities, lanes, Priority (right of way)|right-of-way
, and traffic control at intersection (road)|intersection
Traffic is formally organized in many jurisdictions, with marked lane